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allow to parse milliseconds as float + more test cases; 

normalize capturing with epoch-pattern match - similar to `{DATE}` should capture and cut out the whole pattern match from the log-line;
pull/2038/head
sebres 2018-01-30 16:40:04 +01:00
parent 3e8098d427
commit dcbf904876
3 changed files with 19 additions and 5 deletions
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11
fail2ban/server/datetemplate.py
View File

@ -199,12 +199,15 @@ class DateEpoch(DateTemplate):
DateTemplate.__init__(self)
self.name = "Epoch"
self._longFrm = longFrm;
self._grpIdx = 1
epochRE = r"\d{10,11}\b(?:\.\d{3,6})?"
if longFrm:
self.name = "LongEpoch";
epochRE = r"\d{10,11}(?:\d{3}(?:\d{3})?)?"
epochRE = r"\d{10,11}(?:\d{3}(?:\.\d{1,6}|\d{3})?)?"
if pattern:
regex = RE_EPOCH_PATTERN.sub(lambda v: "(%s)" % epochRE, pattern)
# pattern should capture/cut out the whole match:
regex = "(" + RE_EPOCH_PATTERN.sub(lambda v: "(%s)" % epochRE, pattern) + ")"
self._grpIdx = 2
self.setRegex(regex)
elif not lineBeginOnly:
regex = r"((?:^|(?P<square>(?<=^\[))|(?P<selinux>(?<=\baudit\()))%s)(?:(?(selinux)(?=:\d+\)))|(?(square)(?=\])))" % epochRE
@ -231,10 +234,10 @@ class DateEpoch(DateTemplate):
if not dateMatch:
dateMatch = self.matchDate(line)
if dateMatch:
v = dateMatch.group(1)
v = dateMatch.group(self._grpIdx)
# extract part of format which represents seconds since epoch
if self._longFrm and len(v) >= 13:
if len(v) >= 16:
if len(v) >= 16 and '.' not in v:
v = float(v) / 1000000
else:
v = float(v) / 1000

2
fail2ban/tests/datedetectortestcase.py
View File

@ -103,7 +103,7 @@ class DateDetectorTest(LogCaptureTestCase):
def testGetEpochPattern(self):
self.__datedetector = DateDetector()
self.__datedetector.appendTemplate('\|\s{LEPOCH}(?=\s\|)')
self.__datedetector.appendTemplate('(?<=\|\s){LEPOCH}(?=\s\|)')
# correct short/long epoch time, using all variants:
for fact in (1, 1000, 1000000):
for dateUnix in (1138049999, 32535244799):

11
fail2ban/tests/fail2banregextestcase.py
View File

@ -290,6 +290,17 @@ class Fail2banRegexTest(LogCaptureTestCase):
self.assertTrue(fail2banRegex.start(args))
self.assertLogged('Lines: 1 lines, 0 ignored, 1 matched, 0 missed')
def testRegexEpochPatterns(self):
(opts, args, fail2banRegex) = _Fail2banRegex(
"-r", "-d", "^\[{LEPOCH}\]\s+", "--maxlines", "5",
"[1516469849] 192.0.2.1 FAIL: failure\n"
"[1516469849551] 192.0.2.2 FAIL: failure\n"
"[1516469849551000] 192.0.2.3 FAIL: failure\n"
"[1516469849551.000] 192.0.2.4 FAIL: failure",
r"^<HOST> FAIL\b"
)
self.assertTrue(fail2banRegex.start(args))
self.assertLogged('Lines: 4 lines, 0 ignored, 4 matched, 0 missed')
def testWrongFilterFile(self):
# use test log as filter file to cover eror cases...